slick Antonyms

lusterless prickly pucker rankling repulsive ribbed rotten rough roughened rugose rugosity sabulous sawtooth saw-toothed porphyritic poor matt mediocre naive nodular obnoxious ordinary particulate pebbled pebbly peeling petrous pimply plain scragged scratchy scuffed unattractive bumpy repellant dead hand quarter note nonslippery unsatisfactory unpretending all fingers and thumbs substandard unpretentious regrettable subpar whetted viscous second-rate shedding shingly